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CompTIA

220-301 · Question #178

Which I/O interface supports up to 127 devices per channel and transfer speeds up to 480 Mbps?

The correct answer is B. USB 2.0. See the full explanation below for the reasoning.

Question

Which I/O interface supports up to 127 devices per channel and transfer speeds up to 480 Mbps?

Options

  • AIEEE 1394a
  • BUSB 2.0
  • CUSB 1.1
  • DSerial ATA

How the community answered

(41 responses)
  • A
    5% (2)
  • B
    83% (34)
  • C
    10% (4)
  • D
    2% (1)

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